| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* Copyright (C) B.A.T.M.A.N. contributors: |
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| 3 | * |
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| 4 | * Marek Lindner, Simon Wunderlich, Antonio Quartulli |
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| 5 | */ |
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| 6 | |
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| 7 | #ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ |
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| 8 | #define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ |
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| 9 | |
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| 10 | #include "main.h" |
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| 11 | |
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| 12 | #include <linux/kref.h> |
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| 13 | #include <linux/netdevice.h> |
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| 14 | #include <linux/netlink.h> |
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| 15 | #include <linux/skbuff.h> |
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| 16 | #include <linux/types.h> |
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| 17 | |
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| 18 | int batadv_tt_init(struct batadv_priv *bat_priv); |
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| 19 | bool batadv_tt_local_add(struct net_device *soft_iface, const u8 *addr, |
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| 20 | unsigned short vid, int ifindex, u32 mark); |
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| 21 | u16 batadv_tt_local_remove(struct batadv_priv *bat_priv, |
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| 22 | const u8 *addr, unsigned short vid, |
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| 23 | const char *message, bool roaming); |
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| 24 | int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb); |
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| 25 | int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb); |
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| 26 | void batadv_tt_global_del_orig(struct batadv_priv *bat_priv, |
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| 27 | struct batadv_orig_node *orig_node, |
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| 28 | s32 match_vid, const char *message); |
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| 29 | struct batadv_tt_global_entry * |
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| 30 | batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const u8 *addr, |
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| 31 | unsigned short vid); |
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| 32 | void batadv_tt_global_entry_release(struct kref *ref); |
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| 33 | int batadv_tt_global_hash_count(struct batadv_priv *bat_priv, |
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| 34 | const u8 *addr, unsigned short vid); |
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| 35 | struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv, |
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| 36 | const u8 *src, const u8 *addr, |
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| 37 | unsigned short vid); |
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| 38 | void batadv_tt_free(struct batadv_priv *bat_priv); |
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| 39 | bool batadv_is_my_client(struct batadv_priv *bat_priv, const u8 *addr, |
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| 40 | unsigned short vid); |
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| 41 | bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst, |
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| 42 | unsigned short vid); |
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| 43 | void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv); |
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| 44 | bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv, |
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| 45 | u8 *addr, unsigned short vid); |
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| 46 | bool batadv_tt_local_client_is_roaming(struct batadv_priv *bat_priv, |
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| 47 | u8 *addr, unsigned short vid); |
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| 48 | void batadv_tt_local_resize_to_mtu(struct net_device *soft_iface); |
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| 49 | bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv, |
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| 50 | struct batadv_orig_node *orig_node, |
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| 51 | const unsigned char *addr, |
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| 52 | unsigned short vid); |
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| 53 | bool batadv_tt_global_is_isolated(struct batadv_priv *bat_priv, |
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| 54 | const u8 *addr, unsigned short vid); |
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| 55 | |
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| 56 | int batadv_tt_cache_init(void); |
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| 57 | void batadv_tt_cache_destroy(void); |
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| 58 | |
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| 59 | /** |
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| 60 | * batadv_tt_global_entry_put() - decrement the tt_global_entry refcounter and |
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| 61 | * possibly release it |
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| 62 | * @tt_global_entry: tt_global_entry to be free'd |
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| 63 | */ |
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| 64 | static inline void |
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| 65 | batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry) |
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| 66 | { |
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| 67 | if (!tt_global_entry) |
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| 68 | return; |
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| 69 | |
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| 70 | kref_put(kref: &tt_global_entry->common.refcount, |
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| 71 | release: batadv_tt_global_entry_release); |
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| 72 | } |
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| 73 | |
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| 74 | #endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */ |
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| 75 | |
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